Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig sip.drei.com
; <<>> DiG 9.16.48-Ubuntu <<>> sip.drei.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11615
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;sip.drei.com. IN A
;; ANSWER SECTION:
sip.drei.com. 86400 IN A 213.94.102.157
sip.drei.com. 86400 IN A 213.94.102.154
;; Query time: 220 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Apr 25 06:34:18 UTC 2024
;; MSG SIZE rcvd: 73